# The cube

The cube and cylinder weigh the same as three 20-gram weights. Three cubes and one cylinder weigh the same as two cylinders and one cube. How many grams does one cube weigh (and one cylinder)?

k =  20 g

### Step-by-step explanation:

k+v = 3•20
3k+v = 2v+k

k+v = 3•20
3•k+v = 2•v+k

k+v = 60
2k-v = 0

k = 20
v = 40

Our linear equations calculator calculates it. Did you find an error or inaccuracy? Feel free to write us. Thank you! Tips to related online calculators
Do you have a system of equations and looking for calculator system of linear equations?

## Related math problems and questions:

• The devils The devils weighed in hell with Dorota. They found that Dorota and the two devils weigh 250 kg together, and Dorota and the four devils weigh 426 kg. All the devils weigh the same. How Much Does Dorota Weigh?
• Buns and toasts Two buns weigh 10 grams more than two toasts. One Bun and two Toast weigh a total of 110 grams. How many grams weigh three toasts? How many grams does a Bun weigh?
• Cranberries They brought 65 kg of dried cranberries to the packing house. They made 150-gram and 200-gram packages from them. How many kilograms of cranberries did they use for the smaller 200 packages? How many 200 gram packages were there?
• A bottle A bottle full of cola weighs 1,320 g. If we drink three-tenths of it, it will weigh 1,008g. How much does an empty bottle weigh?
• Freight train The train carries 525 tons of limestone in 29 wagons. Wagons are 15 tonne and 20 tons. How many is 15 ton and how many is 20 ton wagons?
• Father and son Father and son weigh together 108kg. The father weighs 2.6 times more than his son. How much does weight my father and son count?
• Mike chose Mike chose 4 identical cubes, 3 identical prisms and 2 identical cylinders from the kit. The edge of the cube is 3 cm long. The prism has two dimensions the same as the cube, its third dimension is 2 times longer. The diameter of the base of the cylinder
• Barrel 3 Barrel with water weights 118 kg. When we get off 75% of water, it weights 35 kg. How many kg has an empty barrel?
• Shoes and slippers Shoes were three times as many as slippers. If shoes were cheaper by 120, they would be twice as expensive as slippers. How much shoes cost and how much slippers?
• Grams How many grams of 5% solution do we need to add to 100g of 50% solution to get a 20% solution?
• Cylinders The area of the side of two cylinders is the same rectangle of 33 mm × 18 mm. Which cylinder has a larger volume and by how much?
• Water solution How many grams of salt should we dissolve in 400 g of water to get a 20% solution?
• Weights Marry and John together weighing 49 kg. Their weights are in ratio 1:6. Determine their weights.
• Barrel 4 Barrel of water weighs 63 kg. After off 75% water, the weight of the barrel with water is 21 kg. How many kg weigh empty barrel and how many kgs water in it?
• Six hens Six hens weigh 3 kg more than three geese and 7 kg less than five geese. How much does a hen weigh, and how many geese?
• The largest We cut the largest possible cylinder from a 20 cm cube. What is the volume of this cylinder?
• The cube The cube has an edge of 12 dm. The second cube has an edge exactly 20% longer. How many % is more water in the second cube than in the first cube, if the first cube is full to 3/4 and the second to 3/8?